/* ==========================================================================
   TEACH WITH HALA (hala.egideerp.com) — DESIGN SYSTEM & STYLESHEET
   Inspiré par la charte vidéo "Teach with Hala !" : Rose Fuchsia, Ambre & Ciel Doré
   ========================================================================== */

/* ── 1. DESIGN TOKENS (CSS VARIABLES) ─────────────────────────────────── */
:root {
  /* Brand Palette */
  --color-primary: #E11D48;          /* Rose Fuchsia / Coral Signature */
  --color-primary-hover: #BE185D;    /* Deep Fuchsia */
  --color-primary-light: #FFE4E6;    /* Soft Pink Wash */
  --color-primary-glow: rgba(225, 29, 72, 0.25);

  --color-gold: #F59E0B;             /* Sparkle Amber Gold */
  --color-gold-light: #FEF3C7;       /* Warm Sunlight */
  
  --color-navy: #0F172A;             /* Deep Midnight Navy for High Contrast */
  --color-navy-muted: #334155;       /* Slate Neutral */
  --color-navy-light: #64748B;       /* Light Slate */

  --color-sky: #0284C7;              /* Education Sky Blue */
  --color-sky-light: #E0F2FE;        /* Soft Blue Wash */
  
  --color-emerald: #10B981;          /* Success / Active */
  --color-whatsapp: #25D366;         /* Official WhatsApp Green */
  --color-whatsapp-dark: #128C7E;

  /* Surfaces & Backgrounds */
  --bg-creamy: #FFFDF9;              /* Warm Cream / Ivory Background */
  --bg-card: #FFFFFF;                /* Pure White */
  --bg-card-glass: rgba(255, 255, 255, 0.85);
  --bg-surface-tint: #FFF8EE;        /* Subtle Amber Tint */
  --border-subtle: #F1E8DC;
  --border-glass: rgba(225, 29, 72, 0.12);

  /* Typography */
  --font-body: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --font-heading: 'Outfit', system-ui, -apple-system, sans-serif;
  --font-hand: 'Caveat', cursive;

  /* Shadows & Elevation */
  --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 8px 24px rgba(15, 23, 42, 0.08), 0 2px 6px rgba(15, 23, 42, 0.04);
  --shadow-lg: 0 20px 40px rgba(15, 23, 42, 0.12), 0 4px 12px rgba(15, 23, 42, 0.06);
  --shadow-glow: 0 10px 30px rgba(225, 29, 72, 0.28);
  --shadow-gold: 0 10px 30px rgba(245, 158, 11, 0.25);

  /* Radius */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 0.18s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-normal: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-bounce: 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ── 2. GLOBAL RESET & BASE STYLES ───────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-creamy);
  color: var(--color-navy);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img, video {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
}

ul {
  list-style: none;
}

.container {
  width: 100%;
  max-width: 1240px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.text-center {
  text-align: center;
}

.text-fuchsia {
  color: var(--color-primary);
}

/* ── 3. TOP ANNOUNCEMENT BAR ─────────────────────────────────────────── */
.announcement-bar {
  background: linear-gradient(90deg, #BE185D, #E11D48, #F59E0B);
  color: #FFFFFF;
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.5rem 1rem;
  text-align: center;
  position: relative;
  z-index: 50;
}

.announcement-content {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.announcement-badge {
  background: rgba(255, 255, 255, 0.22);
  padding: 0.15rem 0.6rem;
  border-radius: var(--radius-full);
  letter-spacing: 0.03em;
  font-size: 0.75rem;
  text-transform: uppercase;
}

.announcement-link {
  text-decoration: underline;
  text-underline-offset: 3px;
  font-weight: 700;
  transition: opacity var(--transition-fast);
}
.announcement-link:hover {
  opacity: 0.85;
}

/* ── 4. SITE HEADER & NAVIGATION ─────────────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(255, 253, 249, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  transition: all var(--transition-normal);
}

.site-header.scrolled {
  background: rgba(255, 255, 255, 0.96);
  box-shadow: var(--shadow-sm);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

/* Brand Logo */
.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.logo-sparkle {
  font-size: 1.8rem;
  animation: sparkleRotate 4s infinite linear;
}

@keyframes sparkleRotate {
  0% { transform: scale(1) rotate(0deg); }
  50% { transform: scale(1.15) rotate(15deg); }
  100% { transform: scale(1) rotate(0deg); }
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.45rem;
  color: var(--color-navy);
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.brand-highlight {
  font-family: var(--font-hand);
  color: var(--color-primary);
  font-size: 1.85rem;
  font-weight: 700;
  margin-left: 2px;
}

.brand-sub {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--color-navy-light);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* Desktop Navigation */
.desktop-nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-link {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--color-navy-muted);
  padding: 0.4rem 0.2rem;
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-primary);
  border-radius: var(--radius-full);
  transition: width var(--transition-normal);
}

.nav-link:hover {
  color: var(--color-primary);
}

.nav-link:hover::after {
  width: 100%;
}

/* Header Actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-weight: 700;
  font-size: 0.92rem;
  padding: 0.65rem 1.35rem;
  border-radius: var(--radius-full);
  cursor: pointer;
  border: 1px solid transparent;
  transition: all var(--transition-normal);
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), #F43F5E);
  color: #FFFFFF;
  box-shadow: 0 4px 14px var(--color-primary-glow);
}
.btn-primary:hover {
  background: linear-gradient(135deg, #BE185D, var(--color-primary));
  box-shadow: var(--shadow-glow);
  transform: translateY(-2px);
}

.btn-whatsapp-header {
  background-color: #EBFBF3;
  color: #0E8044;
  border-color: #C3EED7;
  font-size: 0.88rem;
  padding: 0.55rem 1.1rem;
}
.btn-whatsapp-header:hover {
  background-color: var(--color-whatsapp);
  color: #FFFFFF;
  border-color: var(--color-whatsapp);
  transform: translateY(-2px);
}

/* Mobile Toggle */
.mobile-toggle-btn {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 6px;
}

.mobile-toggle-btn span {
  display: block;
  width: 100%;
  height: 2.5px;
  background-color: var(--color-navy);
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
}

/* Mobile Drawer */
.mobile-nav-drawer {
  display: none;
  background: #FFFFFF;
  border-top: 1px solid var(--border-subtle);
  padding: 1.25rem 1.5rem 1.75rem;
  box-shadow: var(--shadow-md);
}

.mobile-nav-links {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.mobile-nav-link {
  font-weight: 600;
  font-size: 1.05rem;
  padding: 0.5rem 0;
  color: var(--color-navy);
  border-bottom: 1px solid #F8FAFC;
}

.mobile-btn-cta {
  background: var(--color-primary);
  color: #FFFFFF !important;
  text-align: center;
  border-radius: var(--radius-full);
  padding: 0.75rem !important;
  margin-top: 0.5rem;
  font-weight: 700;
}

.mobile-contact-strip {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-top: 1.25rem;
  padding-top: 1rem;
  border-top: 1px dashed var(--border-subtle);
}

.mobile-contact-pill {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-navy-muted);
}

/* ── 5. HERO SECTION ─────────────────────────────────────────────────── */
.hero-section {
  position: relative;
  padding: 3.5rem 0 5rem;
  overflow: hidden;
}

.hero-bg-glow {
  position: absolute;
  top: -100px;
  right: -50px;
  width: 550px;
  height: 550px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(225, 29, 72, 0.08) 0%, rgba(245, 158, 11, 0.06) 50%, transparent 70%);
  pointer-events: none;
  z-index: 1;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 3.5rem;
  position: relative;
  z-index: 2;
}

/* Hero Left Text */
.hero-pill-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  font-weight: 700;
  font-size: 0.85rem;
  padding: 0.35rem 0.9rem;
  border-radius: var(--radius-full);
  border: 1px solid rgba(225, 29, 72, 0.2);
  margin-bottom: 1.25rem;
}

.sparkle-pulse {
  animation: pulseScale 2s infinite ease-in-out;
}

@keyframes pulseScale {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.3); }
}

.hero-headline {
  font-family: var(--font-heading);
  font-size: 3.1rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: var(--color-navy);
  margin-bottom: 1.25rem;
}

.text-highlight-hand {
  font-family: var(--font-hand);
  color: var(--color-primary);
  font-size: 3.8rem;
  font-weight: 700;
  position: relative;
  display: inline-block;
}

.text-highlight-chem {
  color: var(--color-sky);
  text-decoration: underline;
  text-decoration-color: rgba(2, 132, 199, 0.3);
  text-underline-offset: 6px;
}

.text-highlight-eng {
  color: #7C3AED;
}

.hero-lead {
  font-size: 1.12rem;
  color: var(--color-navy-muted);
  line-height: 1.7;
  margin-bottom: 2rem;
  max-width: 600px;
}

/* Features List */
.hero-features-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 2.25rem;
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
}

.feature-icon-box {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background-color: #FFFFFF;
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  box-shadow: var(--shadow-sm);
  flex-shrink: 0;
}

.feature-text {
  display: flex;
  flex-direction: column;
}

.feature-text strong {
  font-size: 0.98rem;
  color: var(--color-navy);
}

.feature-text span {
  font-size: 0.88rem;
  color: var(--color-navy-light);
}

/* CTA Group */
.hero-cta-group {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

.btn-hero {
  font-size: 1.05rem;
  padding: 0.85rem 1.85rem;
}

.btn-whatsapp-hero {
  background-color: var(--color-whatsapp);
  color: #FFFFFF;
  box-shadow: 0 4px 14px rgba(37, 211, 102, 0.35);
  font-size: 1.05rem;
  padding: 0.85rem 1.65rem;
}
.btn-whatsapp-hero:hover {
  background-color: var(--color-whatsapp-dark);
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.45);
  transform: translateY(-2px);
}

/* Social Proof */
.hero-social-proof {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.88rem;
  color: var(--color-navy-muted);
}

.rating-stars {
  letter-spacing: 2px;
}

/* ── 6. HERO VIDEO SHOWCASE (RIGHT COLUMN) ───────────────────────────── */
.hero-video-wrapper {
  position: relative;
  display: flex;
  justify-content: center;
}

.video-card-glass {
  background: #FFFFFF;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  padding: 1.25rem;
  box-shadow: var(--shadow-lg);
  position: relative;
  z-index: 5;
  width: 100%;
  max-width: 420px;
  transition: transform var(--transition-normal);
}

.video-card-glass:hover {
  transform: translateY(-4px);
  box-shadow: 0 25px 50px rgba(15, 23, 42, 0.15);
}

.video-card-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.video-badge-pill {
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-weight: 700;
  font-size: 0.78rem;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
}

.video-status-dot {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-emerald);
  display: flex;
  align-items: center;
  gap: 0.35rem;
}
.video-status-dot::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--color-emerald);
  animation: pulseDot 1.5s infinite;
}

@keyframes pulseDot {
  0% { transform: scale(0.95); opacity: 0.8; }
  50% { transform: scale(1.4); opacity: 1; }
  100% { transform: scale(0.95); opacity: 0.8; }
}

/* Smartphone Mockup Frame */
.phone-mockup-frame {
  position: relative;
  background-color: #0F172A;
  border-radius: 28px;
  padding: 10px;
  box-shadow: inset 0 0 0 2px #334155, 0 10px 25px rgba(0, 0, 0, 0.2);
  overflow: hidden;
}

.mockup-camera-notch {
  position: absolute;
  top: 14px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 6px;
  background-color: #1E293B;
  border-radius: var(--radius-full);
  z-index: 15;
}

.video-element-container {
  position: relative;
  width: 100%;
  aspect-ratio: 9 / 16;
  border-radius: 20px;
  overflow: hidden;
  background-color: #FFFDF7;
}

.responsive-video-player {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Video Controls Overlay */
.video-overlay-controls {
  position: absolute;
  bottom: 12px;
  right: 12px;
  display: flex;
  align-items: center;
  gap: 6px;
  z-index: 10;
}

.btn-video-control {
  background: rgba(15, 23, 42, 0.7);
  backdrop-filter: blur(8px);
  color: #FFFFFF;
  border: 1px solid rgba(255, 255, 255, 0.2);
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 0.85rem;
  transition: all var(--transition-fast);
}
.btn-video-control:hover {
  background: var(--color-primary);
  transform: scale(1.1);
}

.video-floating-tag {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(8px);
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-full);
  font-family: var(--font-hand);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-primary);
  box-shadow: var(--shadow-sm);
  z-index: 10;
}

.video-card-bottom-info {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: 1rem;
}

.video-feature-pill {
  background-color: #F8FAFC;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  padding: 0.25rem 0.65rem;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-navy-muted);
}

/* Floating Badges outside frame */
.floating-badge {
  position: absolute;
  background: #FFFFFF;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  z-index: 8;
  animation: floatSlow 4s infinite ease-in-out;
}

.floating-badge strong {
  display: block;
  font-size: 0.85rem;
  color: var(--color-navy);
}

.floating-badge span {
  font-size: 0.75rem;
  color: var(--color-navy-light);
}

.badge-icon {
  font-size: 1.5rem;
}

.badge-bem-bac {
  top: 15%;
  left: -40px;
  animation-delay: 0s;
}

.badge-google-meet {
  bottom: 8%;
  right: -30px;
  animation-delay: 2s;
}

@keyframes floatSlow {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

/* ── 7. STATS BANNER ─────────────────────────────────────────────────── */
.stats-banner {
  background: linear-gradient(135deg, #0F172A, #1E293B);
  color: #FFFFFF;
  padding: 2.25rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  text-align: center;
}

.stat-card {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.stat-number {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 800;
  color: #FBBF24;
  letter-spacing: -0.02em;
}

.stat-label {
  font-size: 0.88rem;
  color: #94A3B8;
  font-weight: 500;
}

/* ── 8. SECTIONS COMMON HEADERS ──────────────────────────────────────── */
section {
  padding: 5rem 0;
}

.section-tag {
  display: inline-block;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--color-primary);
  text-transform: uppercase;
  background-color: var(--color-primary-light);
  padding: 0.3rem 0.85rem;
  border-radius: var(--radius-full);
  margin-bottom: 0.75rem;
}

.section-title {
  font-family: var(--font-heading);
  font-size: 2.4rem;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--color-navy);
  margin-bottom: 0.85rem;
}

.section-subtitle {
  font-size: 1.08rem;
  color: var(--color-navy-muted);
  max-width: 680px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 3.5rem;
  line-height: 1.6;
}

/* ── 9. SECTION MATIÈRES (SUBJECTS) ──────────────────────────────────── */
.section-subjects {
  background-color: var(--bg-surface-tint);
}

.subjects-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.subject-card {
  background: #FFFFFF;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  padding: 1.75rem 1.5rem;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.subject-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--color-primary);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.card-maths::before { background: #E11D48; }
.card-physique::before { background: #0284C7; }
.card-anglais::before { background: #7C3AED; }
.card-coding::before { background: #059669; }

.subject-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: rgba(225, 29, 72, 0.25);
}

.subject-card:hover::before {
  opacity: 1;
}

.subject-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}

.subject-icon-wrapper {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
}

.maths-color { background-color: #FFE4E6; }
.physique-color { background-color: #E0F2FE; }
.anglais-color { background-color: #F3E8FF; }
.coding-color { background-color: #D1FAE5; }

.subject-badge {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-navy-muted);
  background-color: #F1F5F9;
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-full);
}

.subject-name {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: 0.6rem;
  line-height: 1.25;
}

.subject-desc {
  font-size: 0.88rem;
  color: var(--color-navy-light);
  margin-bottom: 1.25rem;
  line-height: 1.5;
}

.subject-topics-list {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  font-size: 0.84rem;
  color: var(--color-navy-muted);
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.subject-topics-list li {
  position: relative;
  padding-left: 1.1rem;
  line-height: 1.45;
}
.subject-topics-list li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: bold;
}

.subject-card-footer {
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px solid #F1F5F9;
}

.subject-action-link {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}
.subject-action-link:hover {
  text-decoration: underline;
  transform: translateX(4px);
}

/* ── 10. SECTION NIVEAUX (CYCLES SCOLAIRES) ───────────────────────────── */
.section-levels {
  background-color: #FFFFFF;
}

.levels-tabs-wrapper {
  background: #FFFDF9;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
}

.levels-tab-buttons {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 2rem;
  border-bottom: 2px solid var(--border-subtle);
  padding-bottom: 0.5rem;
  overflow-x: auto;
}

.level-tab-btn {
  background: transparent;
  border: none;
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-navy-muted);
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.level-tab-btn:hover {
  color: var(--color-primary);
}

.level-tab-btn.active {
  color: var(--color-primary);
  background-color: var(--color-primary-light);
  box-shadow: inset 0 -3px 0 var(--color-primary);
}

.level-tab-panel {
  display: none;
  animation: fadeIn 0.3s ease-in-out;
}

.level-tab-panel.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.panel-grid {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 2.5rem;
  align-items: center;
}

.panel-badge-cycle {
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: 0.06em;
  display: inline-block;
  margin-bottom: 0.5rem;
}

.panel-info h3 {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--color-navy);
  margin-bottom: 0.85rem;
  line-height: 1.25;
}

.panel-info p {
  color: var(--color-navy-muted);
  font-size: 0.98rem;
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.panel-check-list {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  margin-bottom: 2rem;
}

.panel-check-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.92rem;
  color: var(--color-navy-muted);
}

.check-icon {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background-color: #D1FAE5;
  color: #065F46;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  font-size: 0.85rem;
  flex-shrink: 0;
  margin-top: 2px;
}

.panel-card-accent {
  background: linear-gradient(135deg, #FEF3C7, #FFFBEB);
  border: 1px solid #FDE68A;
  border-radius: var(--radius-md);
  padding: 1.75rem;
  box-shadow: var(--shadow-sm);
}

.accent-box {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.accent-emoji {
  font-size: 2rem;
}

.accent-box h4 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: #92400E;
}

.accent-box p {
  font-size: 0.9rem;
  color: #78350F;
  line-height: 1.5;
}

.accent-highlight-stat {
  margin-top: 0.5rem;
  padding: 0.65rem 1rem;
  background: #FFFFFF;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  color: #92400E;
  box-shadow: var(--shadow-sm);
}

/* ── 11. SECTION MÉTHODOLOGIE & GOOGLE MEET ──────────────────────────── */
.section-method {
  background-color: var(--bg-surface-tint);
}

.method-steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-bottom: 4rem;
}

.method-step-card {
  background: #FFFFFF;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.75rem 1.25rem;
  position: relative;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}
.method-step-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.step-badge {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--color-primary);
  background-color: var(--color-primary-light);
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-full);
  display: inline-block;
  margin-bottom: 0.85rem;
}

.step-icon {
  font-size: 2rem;
  margin-bottom: 0.75rem;
}

.step-title {
  font-family: var(--font-heading);
  font-size: 1.18rem;
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: 0.5rem;
}

.step-desc {
  font-size: 0.88rem;
  color: var(--color-navy-light);
  line-height: 1.5;
}

/* Meet Live Showcase */
.meet-showcase-box {
  background: #FFFFFF;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  box-shadow: var(--shadow-md);
}

.meet-badge {
  font-size: 0.78rem;
  font-weight: 800;
  color: #0284C7;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
  display: inline-block;
}

.meet-showcase-text h3 {
  font-family: var(--font-heading);
  font-size: 1.9rem;
  font-weight: 800;
  color: var(--color-navy);
  margin-bottom: 0.85rem;
  line-height: 1.2;
}

.meet-showcase-text p {
  color: var(--color-navy-muted);
  font-size: 0.98rem;
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.meet-features-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.meet-features-pills span {
  background-color: var(--bg-surface-tint);
  border: 1px solid var(--border-subtle);
  padding: 0.4rem 0.85rem;
  border-radius: var(--radius-full);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-navy-muted);
}

/* Virtual Classroom Simulation Card */
.meet-visual-card {
  background: #0F172A;
  border-radius: var(--radius-md);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.25);
  overflow: hidden;
  border: 1px solid #334155;
}

.meet-window-bar {
  background-color: #1E293B;
  padding: 0.6rem 1rem;
  display: flex;
  align-items: center;
  gap: 6px;
  border-bottom: 1px solid #334155;
}

.meet-window-bar .dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.meet-window-bar .red { background-color: #EF4444; }
.meet-window-bar .yellow { background-color: #F59E0B; }
.meet-window-bar .green { background-color: #10B981; }

.meet-title-text {
  color: #94A3B8;
  font-size: 0.78rem;
  font-weight: 600;
  margin-left: 0.5rem;
}

.meet-screen-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.meet-avatar-box {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: rgba(255, 255, 255, 0.06);
  padding: 0.5rem 0.85rem;
  border-radius: var(--radius-sm);
}

.avatar-emoji {
  font-size: 1.5rem;
}

.avatar-label {
  font-size: 0.85rem;
  color: #F1F5F9;
  font-weight: 600;
}

.meet-equation-board {
  background: #1E293B;
  border: 1px dashed #475569;
  border-radius: var(--radius-sm);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.board-code {
  font-family: monospace;
  font-size: 1.15rem;
  color: #38BDF8;
  font-weight: bold;
}

.board-sub {
  font-family: monospace;
  font-size: 0.95rem;
  color: #34D399;
}

.board-note {
  font-family: var(--font-hand);
  font-size: 1.2rem;
  color: #FBBF24;
  margin-top: 0.5rem;
}

/* ── 12. SECTION TARIFS & FORMULES ───────────────────────────────────── */
.section-pricing {
  background-color: #FFFFFF;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  align-items: stretch;
  margin-bottom: 3rem;
}

.pricing-card {
  background: #FFFFFF;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2.25rem 2rem;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
  position: relative;
  transition: all var(--transition-normal);
}

.pricing-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}

.pricing-card.featured-plan {
  border: 2px solid var(--color-primary);
  box-shadow: var(--shadow-glow), var(--shadow-md);
  transform: scale(1.03);
}
.pricing-card.featured-plan:hover {
  transform: scale(1.03) translateY(-6px);
}

.popular-ribbon {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--color-primary), #F59E0B);
  color: #FFFFFF;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  padding: 0.3rem 1rem;
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-sm);
  white-space: nowrap;
}

.pricing-card-header {
  margin-bottom: 1.75rem;
  text-align: center;
}

.plan-name {
  font-size: 0.88rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-navy-light);
  display: block;
  margin-bottom: 0.5rem;
}

.plan-price {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-navy);
  margin-bottom: 0.5rem;
}

.plan-desc {
  font-size: 0.86rem;
  color: var(--color-navy-muted);
  line-height: 1.4;
}

.plan-features {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  margin-bottom: 2rem;
  flex-grow: 1;
}

.plan-features li {
  font-size: 0.92rem;
  color: var(--color-navy-muted);
  line-height: 1.45;
}

.btn-block {
  width: 100%;
}

.btn-outline-primary {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}
.btn-outline-primary:hover {
  background: var(--color-primary);
  color: #FFFFFF;
  transform: translateY(-2px);
}

.pricing-guarantee-box {
  background: #FFFDF9;
  border: 1px dashed var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.75rem;
  display: flex;
  align-items: center;
  gap: 1.25rem;
  max-width: 780px;
  margin: 0 auto;
}

.guarantee-icon {
  font-size: 2rem;
  flex-shrink: 0;
}

.guarantee-text {
  display: flex;
  flex-direction: column;
}

.guarantee-text strong {
  font-size: 0.98rem;
  color: var(--color-navy);
}

.guarantee-text span {
  font-size: 0.88rem;
  color: var(--color-navy-light);
}

/* ── 13. SECTION FORMULAIRE D'INSCRIPTION ────────────────────────────── */
.section-registration {
  background: linear-gradient(180deg, var(--bg-surface-tint) 0%, #FFFFFF 100%);
  position: relative;
}

.registration-card-wrapper {
  background: #FFFFFF;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 3rem 2.5rem;
  box-shadow: var(--shadow-lg);
  max-width: 860px;
  margin: 0 auto;
  position: relative;
}

.registration-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-top: 2rem;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.form-group, .form-group-full {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-label {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-navy);
}

.form-label .required {
  color: var(--color-primary);
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  background-color: #F8FAFC;
  border: 1px solid #CBD5E1;
  border-radius: var(--radius-sm);
  color: var(--color-navy);
  font-size: 0.95rem;
  transition: all var(--transition-fast);
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  background-color: #FFFFFF;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-glow);
}

.input-with-prefix {
  display: flex;
  align-items: center;
  background-color: #F8FAFC;
  border: 1px solid #CBD5E1;
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: all var(--transition-fast);
}

.input-with-prefix:focus-within {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-glow);
  background-color: #FFFFFF;
}

.input-prefix {
  padding: 0.75rem 0.85rem;
  background-color: #E2E8F0;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--color-navy-muted);
  border-right: 1px solid #CBD5E1;
  white-space: nowrap;
}

.input-with-prefix .form-input {
  border: none;
  background: transparent;
}

/* Checkbox Pills */
.checkbox-pills-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 0.35rem;
}

.pill-checkbox {
  cursor: pointer;
}

.pill-checkbox input {
  display: none;
}

.pill-text {
  display: inline-block;
  padding: 0.55rem 1rem;
  border-radius: var(--radius-full);
  background-color: #F1F5F9;
  border: 1px solid #CBD5E1;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-navy-muted);
  transition: all var(--transition-fast);
}

.pill-checkbox input:checked + .pill-text {
  background-color: var(--color-primary-light);
  border-color: var(--color-primary);
  color: var(--color-primary);
  font-weight: 700;
  box-shadow: var(--shadow-sm);
}

.error-feedback {
  display: none;
  font-size: 0.8rem;
  color: #DC2626;
  font-weight: 600;
}

.has-error .error-feedback {
  display: block;
}

.has-error .form-input, .has-error .form-select {
  border-color: #DC2626;
}

.form-actions-wrapper {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  margin-top: 1rem;
}

.btn-submit-registration {
  background-color: var(--color-whatsapp);
  color: #FFFFFF;
  font-size: 1.05rem;
  padding: 0.95rem 1.75rem;
  box-shadow: 0 4px 15px rgba(37, 211, 102, 0.35);
  border: none;
}
.btn-submit-registration:hover {
  background-color: var(--color-whatsapp-dark);
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.45);
  transform: translateY(-2px);
}

.btn-outline-secondary {
  background: transparent;
  border: 1px solid #CBD5E1;
  color: var(--color-navy-muted);
  text-align: center;
  font-size: 0.92rem;
  padding: 0.75rem 1.25rem;
}
.btn-outline-secondary:hover {
  background-color: #F8FAFC;
  border-color: #94A3B8;
  color: var(--color-navy);
}

.form-disclaimer {
  font-size: 0.82rem;
  color: var(--color-navy-light);
}

/* Success Modal */
.registration-success-modal {
  display: none;
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(15, 23, 42, 0.75);
  backdrop-filter: blur(8px);
  border-radius: var(--radius-lg);
  z-index: 50;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.registration-success-modal.active {
  display: flex;
  animation: fadeIn 0.3s ease;
}

.modal-card {
  background: #FFFFFF;
  border-radius: var(--radius-md);
  padding: 2.5rem;
  max-width: 480px;
  text-align: center;
  box-shadow: var(--shadow-lg);
}

.modal-emoji {
  font-size: 3rem;
  display: block;
  margin-bottom: 1rem;
}

.modal-card h3 {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-navy);
  margin-bottom: 0.75rem;
}

.modal-card p {
  color: var(--color-navy-muted);
  font-size: 0.95rem;
  line-height: 1.5;
  margin-bottom: 1.5rem;
}

/* ── 14. SECTION TÉMOIGNAGES ─────────────────────────────────────────── */
.section-testimonials {
  background-color: #FFFFFF;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.testimonial-card {
  background: #FFFDF9;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: all var(--transition-normal);
}

.testimonial-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.featured-testimonial {
  background: linear-gradient(135deg, #FFF1F2, #FFFFFF);
  border-color: #FECDD3;
}

.testimonial-stars {
  font-size: 1.1rem;
  margin-bottom: 1rem;
  letter-spacing: 2px;
}

.testimonial-quote {
  font-size: 0.95rem;
  color: var(--color-navy-muted);
  line-height: 1.6;
  margin-bottom: 1.75rem;
  flex-grow: 1;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-subtle);
}

.author-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: #E2E8F0;
  color: var(--color-navy);
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

.avatar-highlight {
  background: var(--color-primary);
  color: #FFFFFF;
}

.author-info strong {
  display: block;
  font-size: 0.92rem;
  color: var(--color-navy);
}

.author-info span {
  font-size: 0.78rem;
  color: var(--color-navy-light);
}

/* ── 15. SECTION FAQ (ACCORDION) ─────────────────────────────────────── */
.section-faq {
  background-color: var(--bg-surface-tint);
}

.faq-container {
  max-width: 860px;
}

.faq-accordion-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  background: #FFFFFF;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
}

.faq-question {
  width: 100%;
  padding: 1.25rem 1.5rem;
  background: transparent;
  border: none;
  font-family: var(--font-heading);
  font-size: 1.08rem;
  font-weight: 700;
  color: var(--color-navy);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  cursor: pointer;
  text-align: left;
}

.faq-chevron {
  font-size: 1.4rem;
  color: var(--color-primary);
  font-weight: bold;
  transition: transform var(--transition-fast);
  line-height: 1;
}

.faq-item.active .faq-chevron {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal);
  padding: 0 1.5rem;
  color: var(--color-navy-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

.faq-item.active .faq-answer {
  max-height: 250px;
  padding-bottom: 1.25rem;
}

/* ── 16. SECTION CTA FINAL ───────────────────────────────────────────── */
.section-cta-final {
  background: linear-gradient(135deg, #0F172A, #1E1B4B);
  color: #FFFFFF;
  padding: 5.5rem 0;
  position: relative;
}

.cta-sparkle-pill {
  display: inline-block;
  background: rgba(245, 158, 11, 0.2);
  color: #FBBF24;
  border: 1px solid rgba(245, 158, 11, 0.4);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  padding: 0.35rem 0.9rem;
  border-radius: var(--radius-full);
  margin-bottom: 1.25rem;
}

.cta-headline {
  font-family: var(--font-heading);
  font-size: 2.7rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 1rem;
  color: #FFFFFF;
}

.cta-sub {
  font-size: 1.15rem;
  color: #CBD5E1;
  max-width: 600px;
  margin: 0 auto 2.5rem;
  line-height: 1.6;
}

.cta-buttons-center {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn-cta-lg {
  font-size: 1.1rem;
  padding: 1rem 2.25rem;
}

.btn-whatsapp-lg {
  background-color: var(--color-whatsapp);
  color: #FFFFFF;
  font-size: 1.1rem;
  padding: 1rem 2rem;
  box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
}
.btn-whatsapp-lg:hover {
  background-color: var(--color-whatsapp-dark);
  transform: translateY(-2px);
}

/* ── 17. SITE FOOTER ─────────────────────────────────────────────────── */
.site-footer {
  background-color: #090E17;
  color: #94A3B8;
  padding: 4.5rem 0 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.9fr 1fr 1.1fr;
  gap: 2.5rem;
  margin-bottom: 3.5rem;
}

.footer-logo .brand-title {
  color: #FFFFFF;
}

.footer-mission-text {
  font-size: 0.88rem;
  line-height: 1.6;
  margin: 1.25rem 0;
  max-width: 320px;
}

.badge-online-pulse {
  display: inline-block;
  color: #34D399;
  font-size: 0.8rem;
  font-weight: 700;
  background: rgba(52, 211, 153, 0.12);
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-full);
}

.footer-heading {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 1.25rem;
}

.footer-links, .footer-contact-info {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  font-size: 0.88rem;
}

.footer-links a:hover {
  color: #FFFFFF;
  padding-left: 4px;
}

.footer-contact-info li {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.contact-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #64748B;
}

.contact-val {
  color: #F1F5F9;
  font-weight: 600;
}

.highlight-contact {
  color: #FBBF24;
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.82rem;
}

.footer-bottom-flex {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

/* ── 18. FLOATING STICKY WHATSAPP WIDGET ─────────────────────────────── */
.floating-whatsapp-widget {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 99;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  cursor: pointer;
}

.whatsapp-pulse-ring {
  position: absolute;
  top: -6px;
  left: -6px;
  right: -6px;
  bottom: -6px;
  border-radius: 50%;
  border: 2px solid var(--color-whatsapp);
  opacity: 0.6;
  animation: pulseRing 2s infinite ease-out;
  pointer-events: none;
}

@keyframes pulseRing {
  0% { transform: scale(0.9); opacity: 0.8; }
  100% { transform: scale(1.3); opacity: 0; }
}

.whatsapp-btn-inner {
  width: 60px;
  height: 60px;
  background-color: var(--color-whatsapp);
  color: #FFFFFF;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.45);
  transition: all var(--transition-bounce);
}

.floating-whatsapp-widget:hover .whatsapp-btn-inner {
  transform: scale(1.1) rotate(6deg);
  background-color: var(--color-whatsapp-dark);
}

.whatsapp-tooltip-text {
  background: #FFFFFF;
  color: var(--color-navy);
  font-size: 0.85rem;
  font-weight: 700;
  padding: 0.45rem 0.85rem;
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-subtle);
  white-space: nowrap;
  opacity: 0;
  transform: translateX(10px);
  transition: all var(--transition-normal);
  pointer-events: none;
}

.floating-whatsapp-widget:hover .whatsapp-tooltip-text {
  opacity: 1;
  transform: translateX(0);
}

/* ── 19. RESPONSIVE BREAKPOINTS (MEDIA QUERIES) ──────────────────────── */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .hero-text-content {
    text-align: center;
  }
  .hero-headline {
    font-size: 2.6rem;
  }
  .hero-lead {
    margin-left: auto;
    margin-right: auto;
  }
  .hero-features-list {
    max-width: 520px;
    margin-left: auto;
    margin-right: auto;
    text-align: left;
  }
  .hero-cta-group {
    justify-content: center;
  }
  .hero-social-proof {
    justify-content: center;
  }

  .subjects-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .method-steps-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .meet-showcase-box {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin-left: auto;
    margin-right: auto;
  }
  .pricing-card.featured-plan {
    transform: none;
  }
  .pricing-card.featured-plan:hover {
    transform: translateY(-6px);
  }
  .testimonials-grid {
    grid-template-columns: 1fr;
    max-width: 500px;
    margin: 0 auto;
  }
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .desktop-nav {
    display: none;
  }
  .btn-header-cta {
    display: none;
  }
  .mobile-toggle-btn {
    display: flex;
  }
  .mobile-nav-drawer.active {
    display: block;
  }

  .hero-headline {
    font-size: 2.1rem;
  }
  .text-highlight-hand {
    font-size: 2.6rem;
  }
  .section-title {
    font-size: 1.85rem;
  }
  .cta-headline {
    font-size: 2rem;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
  }
  .subjects-grid {
    grid-template-columns: 1fr;
  }
  .panel-grid {
    grid-template-columns: 1fr;
  }
  .form-grid {
    grid-template-columns: 1fr;
  }
  .registration-card-wrapper {
    padding: 2rem 1.25rem;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .floating-badge {
    display: none;
  }
  .whatsapp-tooltip-text {
    display: none;
  }
}